Bug 1872648 (CVE-2020-15694) - CVE-2020-15694 nim: standard library httpClient fails to properly validate the server response
Summary: CVE-2020-15694 nim: standard library httpClient fails to properly validate th...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-15694
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1872649
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-08-26 09:36 UTC by Marian Rehak
Modified: 2020-08-26 13:17 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2020-08-26 13:17:39 UTC
Embargoed:

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Description Marian Rehak 2020-08-26 09:36:25 UTC 
In Nim 1.2.4, the standard library httpClient fails to properly validate the server response. For example, httpClient.get().contentLength() does not raise any error if a malicious server provides a negative Content-Length.

Upstream patch:

https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/httpclient.nim#L241
Comment 1 Marian Rehak 2020-08-26 09:36:45 UTC 
Created nim tracking bugs for this issue:

Affects: fedora-all [bug 1872649]
Comment 2 Product Security DevOps Team 2020-08-26 13:17:39 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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